Vertiv Liebert APM2 - Page 169

Figure 9.6 IS-Relay Card
Pin Function Operation
1 Common-Low Battery
2 Low Battery Closed if low battery point occurs
3 Low Battery Closed if battery is OK
4 Common-UPS Fault
5 UPS Fault Closed if UPS fault occurs
6 UPS Fault Closed if no UPS failure
7 Common-On Battery
8 On Battery Closed if On Battery power (Utility failure)
9 On Battery Closed if not On Battery power (Utility OK)
10 Signal Ground Future release
11 Signal Ground Future release
12 UPS Any-Mode Shutdown Future release
13 Summary Alarm Closed if no alarm conditions are present
14 Summary Alarm Closed if summary alarm occurs
15 Common-Summary Alarm
16 On UPS Closed if On UPS (inverter) power
17 On Bypass Closed if On Bypass
18 Common-On Bypass
Table 9.3 Function of UPS IS-Relay card
For more information of the IS-Relay card, refer to the Vertiv™ Liebert® IntelliSlot™IS-Relay Card User Manual in accessory.
The installation method of the IS-Relay card is the same as that of the SIC card described in SIC card on page159. Refer to
Signal cable connection steps on page51 for the cabling and routing of the signal cables.
9 Vertiv™ Liebert® APM2 Option
Configurations
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Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual